Which of the following are the forms of calcium carbonate? 1. Marble 2. Chalk 3. Limestone Select the answer using the code given below :
- A.1 and 2 only
- B.2 and 3 only
- C.1 and 3 only
- D.1, 2 and 3
Show answer
Marble, chalk and limestone are all made of the same compound, calcium carbonate, with the formula CaCO3. They differ only in how they were formed.
Read the full explanation →